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V(MQLONG)
Structure version number.
The value is:
- MQACH_VERSION_1
- Version-1 API exit chain header structure.
The following constant specifies the version number of the current version:
- MQACH_CURRENT_VERSION
- Current version of API exit chain header structure.
When a new version of the MQACH structure is introduced, the layout of the existing part is not changed. The exit function must therefore check that the version number is equal to or greater than the lowest version that contains the fields that the exit function needs to use.
The initial value of this field is MQACH_CURRENT_VERSION.
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